GLHS

Parts still in car is factory seats. headliner, door panels, all inside trim and rubbers. Sound deading material. Dash, stereo, speaker, air control, heater, fan, a/c.


everything that was removed is pretty much standard stuff. PS, A/C pump. Stock exhaust. bumpers. heat sheilds under the car. tow hooks, stuff like this...However to help ease the pain of this, the title to the car said 2425 with nothing removed.

Rxmfn7

iTrader: (4)

Ah, a base model I take it?

GLHS

Yep.. SE with lightweight options and LSD

neptuneRX

power to the SEs!! poor people rock!

DEZERTE

I want to hit you, kind of.

87RX7TII

how many mods to get a s4 tII into the 250 range?

cds00bsmg

iTrader: (1)

i only read the first page of posts for this topic, but figured I'd offer some info. I read over the summer about getting power from a 88 6-port NA. Drag magazine did a rotary build up using a mild street ported 88 6 port. However, they used carb. setups to achieve their power. I believe they were getting 255-265 at the flywheel. I know thats not the 250 at the wheels your looking for, but its a start. They used 48mm deltoro or mikuni side drafts, 51mm mikuni or deltoro sidedrafts, and a RB Holley setup with the carb. rotated 180 degrees. The 51mm setup and the Holley were the only setups getting the 255/265 horse though. They went on to use fuel injection in the next months issue, but I never purchased it. (I got the mag while on vacation at Ocean Isle.) They also said using the S5 higer comp. (9.7:1) rotors should yield 15-20 additional hp on this setup. I believe their final conclusion for a NA setup though was to use the S5 rotors and TII end/intermediate housings and at least street port it to obtain the most horsepower. Hope my info. helped. Oh btw, all the motor work was done by RB.

BDoty311

Proof that even Santiago was one day a newbie that didnt search.

1987RX7guy

iTrader: (3)

Hahaha I think everyone agrees that I am still a new guy. Specially with TII's But I was hazed just like everyone else is. Its all part of the rotorhead way of life. :-p

RETed

Wow, change to carbs and you break 200hp at the wheels???


-Ted

j200pruf

iTrader: (4)

cds00bsmg, you numbers are a little bit high. The article is at http://www.twminduction.com/ThrottleBody/carb_vs_fi.pdf
The dellorto peaked at 211.4@8100RPM
the holley peaked at 224.3@8400RPM
The TWM DCOE throttles peaked at 226.0@8200RPM

The setup for the Injection set up could have made more power if they did it differently. They used a Haltech F10 which doesn't have ignition controll (right ted?). They also used 2x 750cc injectors, and after talking to a few ppl, they believed that better power could have been had using 4x 550cc injectors. They could have used a IDA instead, deffinatly would have had a few more ponies than the DCOE set-up.

Rotary Racer

Wow this came back from the dead. But now unlike my original post we now have access to Renesis rotors!!

- Dana "New found NA Power"

1987RX7guy

iTrader: (3)

I wonder is we can use both styles of exhaust ports together.

j200pruf

iTrader: (4)

Or maybe use a side exhaust with a P-ported Intake? Maybe you could just have the FC sytle mounts machined into the Intr. Housing on the Renesis?

andrew lohaus

shoot, look at what icemark and rarestx just did.

big street port.
extrude honed and match ported intakes ala' icemark
at least s5 if not reni rotors
hardened/lightened/balanced rotating assembly for at least 9krpm
full exhaust.
standalone
a lot of dyno time
some good luck.
probobly new housings to ensure maximum compression.

considering you keep the aux ports functional and dont port too much out of them it could actualy be pretty streetable. but its gona take a lot of tuning.

87RX7TII

what do you need to get an s4 tii into the 250rwhp range?

cds00bsmg

iTrader: (1)

yea, i guess my numbers were a little off, i should have had the mag. in front of me before i started quoting things off. i think i was thinking 250 because they said the s5 rotors would add the 15-20 horse. still though, i think i recall seeing on the racing beat site (?) something about a N/A motor making 250-260 horse with carbs and certain porting.....maybe i've just been reading too much though.

Bebesito21

Ill be in the 13s and streetable without nitrous on my bridgeport. 12s with the nitrous. Naysayers beware.....you will all have to shut up when you see the time slip. Nothing wrong with n20 either. haters.

RETed

That is correct.
F-series ECU's are fuel only.
IG-series ECU's are ignition only.
E-series ECU's are both fuel and ignition.


-Ted

rx78788

what is the difference in peripheral, bridge? and also which one is easier to do and which one frees up more HP?

Sideways7

iTrader: (7)

To answer the question, peripheral gets more power than a bridge port. Peripheral ports, however, are totally unstreetable. It can be done, but they wont idle at all, dont make any power until 4-5k rpm, and have a short engine life. Bridge ports are streetable, but still not very good for around town use. They have a rough idle, crappy milage, and also get power at higher rpm's, but not like a PP engine. Also, you have to replace the water and oil(?) seals every 30k miles or so, because the port gets too close to the seals. Bridge ports can see 260+ HP, while PP's can get well over 300 HP, but its in the 9k+ range. Basically, if you're using it as a daily driver, you should just get a street port. If you have another car for your daily beater, you can get a bridge, and a preipheral port engine is only for use on a road course/drag strip. There are lots of sites out there that cover this, buts its really late and I don't want to look for them. I'm sure someone else can find them if you need them.
Edit: This is for a NA motor. A turbo should be similar, but I'm not sure.

RETed

http://fc3spro.com/TECH/PORT/porting.html


-Ted